<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        let arr = [
            {title:'aaaa',read:100,hot:true},
            {title:'bbbb',read:120,hot:true},
            {title:'cccc',read:130,hot:false},
            {title:'dddd',read:40,hot:true}
        ];

        let newArr = arr.filter((item,index,arr)=>{
            return item.hot;
        });

        console.log(newArr);

    </script>
</head>
<body>
    
</body>
</html>